Tagged: data analysis

Area vs radius, redux - The Dismal Science

Aaron Schiff Apr 06, 2015

I got lots of feedback on Twitter about my post yesterday about using using area or radius of circles to show numeric values (on a map in this case). The consensus seems to be that radius greatly exaggerates the differences, while area somewhat under-represents the differences. So area seems like the better choice if you […] … Read More

Area vs radius - The Dismal Science

Aaron Schiff Apr 04, 2015

Stats NZ have just published the 2014 regional GDP statistics, together with an attractive infographic that shows how national GDP is distributed across the regions. The map part of the infographic caught my eye: A crucial issue with this sort of picture is whether to use the area or the radius of the circles to […] … Read More

Getting older is good news - The Dismal Science

Aaron Schiff Apr 02, 2015

Well, sort of. I was poking around on the Stats NZ website and I found the period life tables. These give various death and survivorship rates for New Zealanders in different age groups. One of the statistics given is the expected number of years of life remaining for people at different ages. If you add […] … Read More

Data data everywhere - The Dismal Science

Aaron Schiff Mar 30, 2015

Wiki New Zealand launched its redesigned website yesterday and it looks fantastic. I know that a huge amount of effort by some very talented people went into the new site, and that certainly shows in the final result. WikiNZ describes its mission as “democratising” data by “pulling together New Zealand’s public sector, private sector and […] … Read More

NZ Open Data Day - The Dismal Science

Aaron Schiff Mar 28, 2015

I had a great time at the NZ Open Data Day today. Many thanks to Caleb and Harkanwal for organising the day, and to the NZ Herald for hosting and lunching us. I won’t attempt to summarise the whole day. Instead, here are a few snippets of things that I learned: Kim Ollivier has done […] … Read More

Meshblock mysteries solved - The Dismal Science

Aaron Schiff Mar 26, 2015

Previously I posted about some mysteries in New Zealand meshblock datasets, and in particular the differences in the sets of meshblocks contained in the Census meshblock dataset and other geographic data files. One of the wonderful, helpful people at Statistics New Zealand read my post and sent me a detailed email about these “mysteries”, and […] … Read More

Families per household in Auckland - The Dismal Science

Aaron Schiff Mar 13, 2015

The Census classifies each household according to whether it contains one family, two families, or three or more families. There are also categories for one-person households and other multi-person households (flatmates etc). Within Auckland there are some geographic differences across the household types, as the following dotmap illustrates — click a category to see a […] … Read More